MongoDB is an open source document-oriented database that uses a flexible document data model. It stores data in flexible, JSON-like documents with optional schemas, and allows dynamic queries against documents. Like other NoSQL databases, MongoDB supports dynamic schema design and is horizontally scalable by adding more servers.

1. http://programmershelper.com

2. MongoDB is an open source database that uses a document-oriented data model
MongoDB is built on an architecture of collections and
documents.
Documents comprise sets of key-value pairs
Like other NoSQL databases, MongoDB supports dynamic schema design

19. • whereas NoSQL database are primarily called as non-relational or distributed database.
• In NoSQL database, queries are focused on collection of documents. Sometimes it is also called
as UnQL (Unstructured Query Language)
• NoSQL database examples: MongoDB, BigTable, Redis, RavenDb, Cassandra, Hbase, Neo4j
and CouchDb
• On the other hand, NoSQL databases are horizontally scalable. You can just add few more
servers easily in your NoSQL database infrastructure to handle the large traffic

24. • http://programmershelper.com
• http://programmershelper.com/mongodb-replication-working/
• http://docs.thinkboxsoftware.com/products/deadline/7.0/1_User
%20Manual/manual/system-requirements.html
• https://www.tutorialspoint.com/mongodb/mongodb_java.htm